Explanation: ferrous metals have dimensions on casting which have a larger size to provide stock than the dimensions of the casting of the non-ferrous metals.
Q. Ferrous metals need more allowance than non-ferrous metals.
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Correct Answer: (A)
true
Explanation by: Mr. Dubey
ferrous metals have dimensions on casting which have a larger size to provide stock than the dimensions of the casting of the non-ferrous metals.
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